Home / 14,403.20-21,604.79-4,543.47

Finding the Fourth Proportional to 14,403.20, 21,604.79 and 4,543.47

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Solution

The fourth proportional to 14,403.20, 21,604.79 and 4,543.47 is: 6,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,403.20 : 21,604.79 = 4,543.47 : x
  2. Step 2: Convert to fraction form
    14,403.20/21,604.79 = 4,543.47/x
  3. Step 3: Cross multiply
    14,403.20x = 21,604.79 × 4,543.47
  4. Step 4: Simplify right side
    14,403.20x = 98,160,726.58
  5. Step 5: Solve for x
    x = 98,160,726.58/14,403.20
  6. Step 6: Final answer
    x = 6,815.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.